diff --git a/public/v1/apps/ghost.json b/public/v1/apps/ghost.json
index 2fc7d9a..9deadf6 100644
--- a/public/v1/apps/ghost.json
+++ b/public/v1/apps/ghost.json
@@ -13,6 +13,7 @@
                "GHOST_HOST":"$$cap_ghost_host",
                "GHOST_PASSWORD":"$$cap_ghost_password",
                "GHOST_PROTOCOL":"$$cap_ghost_protocol",
+               "GHOST_PORT_NUMBER": "80",
                "MARIADB_HOST":"srv-captain--$$cap_appname-db",
                "MARIADB_PORT_NUMBER":"3306",
                "SMTP_FROM_ADDRESS":"$$cap_ghost_smtp_from",